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00 ~ CD ( ~'.. c") c: ,';/ , -,- Chemical Plant alternative is also comDlicated. Water will be collected at Dotsero by alluvial wells and treated by reverse osmosis with the brines (an estimated 25% by volume) landfilled near Dotsero. Treated water will be piped to Glenwood Springs and added to the saline water collected at the spring mouth. The mixed treated and saline water will be piped to the New Castle area and treated by reverse osmosis (the brines well be an estimated 257, by volume) with the treated water released to the Colorado River. The brines generated by the reverse osmosis plant would be sold to a chemical plant for extraction of useable chemicals (Figure 5). Stockpile alternative is similar to the first two alter- natives. Water would be removed from Dotsero by alluvial wells, from Glenwood Springs by collection at the spring mouth and from South Canyon by surface collection. It would be piped to New Castle, where it would be treated and disposed of by evaporation ponds. All the water collected would be removed from the stream (Figure 6). Utility alternative is the same as the Stockpile alternative, except the water would be treated by reverse osmosis at or near Grand Junction, and the treated .water delivered to a power plant for use in the cooling system (Figure 7). Comparison of Alternatives The consumptive use of each alternative along several reaches of the Colorado River is listed in Table 1, where it is compared to the amounts of existing rights on the river. The existing rights on the river are listed in Appendix A by reach. The lists were derived from the 1978 stream alpha list derived from the Tabulation of Decreed Water Rights published by the Colorado Division of \~ater Resources (State Engineer's Office) . ct> Leonard Rice Consulting Water Engineers. Inc.